Pyrazolone

Pyrazolone

Pyrazolone, a five-membered-ring lactam, is a derivative of pyrazole that has an additional keto (=O) group.

It has a molecular formula of C3H4N2O.

Examples of derivatives include:
* Ampyrone
* Metamizole
* Phenazone
* Phenylbutazone

External links

*
* [http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=351317 Pubchem - 3-Pyrazolone]
* [http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=316289 Pubchem - 5-Pyrazolone]


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  • Pyrazolone —   [Kurzwort], Singular Pyrazolon das, s, Oxoverbindungen, die sich von den Isomeren des Pyrazolins (Pyrazol) ableiten, im engeren Sinn die Substitutionsprodukte des 5 Pyrazolons. Zahlreiche dieser (kurz Pyrazolone genannten) Verbindungen werden… …   Universal-Lexikon

  • pyrazolone — ● pyrazolone nom féminin Nom générique du composé C3H4N2O, dérivant du pyrazole ou de la pyrazoline. Nom générique des dérivés de ce composé. (Les pyrazolones sont employées comme colorants ou comme médicaments.) …   Encyclopédie Universelle

  • Pyrazolone — Nichtopioid Analgetika (Syn. nichtopioide Analgetika) sind schmerzstillende Arzneimittel (Analgetika), die ihre Wirkung durch Unterdrückung schmerzauslösender biochemischer Prozesse entfalten. Die Namensgebung grenzt die Substanzgruppe von den an …   Deutsch Wikipedia

  • pyrazolone — pirazolonas statusas T sritis chemija formulė (O=)C₃H₄N₂ atitikmenys: angl. pyrazolone rus. пиразолон ryšiai: sinonimas – pirazolinonas …   Chemijos terminų aiškinamasis žodynas

  • pyrazolone — ˌlōn noun ( s) Etymology: International Scientific Vocabulary pyrazole + one 1. : any of three isomeric carbonyl compounds C3H4N2O derived from pyrazoline 2. : any of numerous derivatives of the pyrazolones some of which (as antipyrine) are used… …   Useful english dictionary

  • pyrazolone dye — Chem. any of the group of dyes, as tartrazine, derived from a pyrazolone: used chiefly to dye silk and wool. * * * …   Universalium

  • pyrazolone dye — pirazoloninis dažiklis statusas T sritis chemija apibrėžtis Iš pirazolono ir pirazolo darinių gautas dažiklis. atitikmenys: angl. pyrazolone dye rus. пиразолоновый краситель …   Chemijos terminų aiškinamasis žodynas

  • pyrazolone dye — Chem. any of the group of dyes, as tartrazine, derived from a pyrazolone: used chiefly to dye silk and wool …   Useful english dictionary

  • pyrazolone — /pi raz euh lohn , puy /, n. Chem. 1. any of the group of heterocyclic compounds containing the pyrazoline ring in which one carbon atom is doubly linked to an oxygen atom not in the ring. 2. the parent compound, C3H4N2O. [1885 90; PYRAZOLE +… …   Universalium

  • pyrazolone — noun A five membered unsaturated heterocyclic ketone (or lactam), derived from pyrazole, that is the basis of several pharmaceuticals …   Wiktionary

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